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root/jsr166/jsr166/src/test/tck/ThreadPoolExecutorTest.java

Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.9 by dl, Sun Oct 5 23:55:03 2003 UTC vs.
Revision 1.93 by jsr166, Sun Oct 4 03:51:35 2015 UTC

#	Line 1 | Line 1
1		/*
2	<	* Written by members of JCP JSR-166 Expert Group and released to the
3	<	* public domain. Use, modify, and redistribute this code in any way
4	<	* without acknowledgement. Other contributors include Andrew Wright,
5	<	* Jeffrey Hayes, Pat Fischer, Mike Judd.
2	>	* Written by Doug Lea with assistance from members of JCP JSR-166
3	>	* Expert Group and released to the public domain, as explained at
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9	<	import java.util.concurrent.*;
10	<	import junit.framework.*;
9	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
10	>	import static java.util.concurrent.TimeUnit.NANOSECONDS;
11	>	import static java.util.concurrent.TimeUnit.SECONDS;
12	>
13	>	import java.util.ArrayList;
14		import java.util.List;
15	+	import java.util.concurrent.ArrayBlockingQueue;
16	+	import java.util.concurrent.BlockingQueue;
17	+	import java.util.concurrent.Callable;
18	+	import java.util.concurrent.CancellationException;
19	+	import java.util.concurrent.CountDownLatch;
20	+	import java.util.concurrent.ExecutionException;
21	+	import java.util.concurrent.Executors;
22	+	import java.util.concurrent.ExecutorService;
23	+	import java.util.concurrent.Future;
24	+	import java.util.concurrent.FutureTask;
25	+	import java.util.concurrent.LinkedBlockingQueue;
26	+	import java.util.concurrent.RejectedExecutionException;
27	+	import java.util.concurrent.RejectedExecutionHandler;
28	+	import java.util.concurrent.SynchronousQueue;
29	+	import java.util.concurrent.ThreadFactory;
30	+	import java.util.concurrent.ThreadPoolExecutor;
31	+	import java.util.concurrent.TimeUnit;
32	+	import java.util.concurrent.atomic.AtomicInteger;
33	+
34	+	import junit.framework.Test;
35	+	import junit.framework.TestSuite;
36
37		public class ThreadPoolExecutorTest extends JSR166TestCase {
38		public static void main(String[] args) {
39	<	junit.textui.TestRunner.run (suite());
39	>	main(suite(), args);
40		}
41		public static Test suite() {
42		return new TestSuite(ThreadPoolExecutorTest.class);
43		}
44	<
44	>
45		static class ExtendedTPE extends ThreadPoolExecutor {
46	<	volatile boolean beforeCalled = false;
47	<	volatile boolean afterCalled = false;
48	<	volatile boolean terminatedCalled = false;
46	>	final CountDownLatch beforeCalled = new CountDownLatch(1);
47	>	final CountDownLatch afterCalled = new CountDownLatch(1);
48	>	final CountDownLatch terminatedCalled = new CountDownLatch(1);
49	>
50		public ExtendedTPE() {
51	<	super(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new SynchronousQueue<Runnable>());
51	>	super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
52		}
53		protected void beforeExecute(Thread t, Runnable r) {
54	<	beforeCalled = true;
54	>	beforeCalled.countDown();
55		}
56		protected void afterExecute(Runnable r, Throwable t) {
57	<	afterCalled = true;
57	>	afterCalled.countDown();
58		}
59		protected void terminated() {
60	<	terminatedCalled = true;
60	>	terminatedCalled.countDown();
61	>	}
62	>
63	>	public boolean beforeCalled() {
64	>	return beforeCalled.getCount() == 0;
65	>	}
66	>	public boolean afterCalled() {
67	>	return afterCalled.getCount() == 0;
68	>	}
69	>	public boolean terminatedCalled() {
70	>	return terminatedCalled.getCount() == 0;
71	>	}
72	>	}
73	>
74	>	static class FailingThreadFactory implements ThreadFactory {
75	>	int calls = 0;
76	>	public Thread newThread(Runnable r) {
77	>	if (++calls > 1) return null;
78	>	return new Thread(r);
79		}
80		}
81
82		/**
83	<	*  execute successfully executes a runnable
83	>	* execute successfully executes a runnable
84		*/
85	<	public void testExecute() {
86	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
87	<	try {
88	<	p1.execute(new Runnable() {
89	<	public void run() {
90	<	try {
91	<	Thread.sleep(SHORT_DELAY_MS);
92	<	} catch(InterruptedException e){
93	<	threadUnexpectedException();
94	<	}
95	<	}
96	<	});
53	<	Thread.sleep(SMALL_DELAY_MS);
54	<	} catch(InterruptedException e){
55	<	unexpectedException();
56	<	}
57	<	joinPool(p1);
85	>	public void testExecute() throws InterruptedException {
86	>	final ThreadPoolExecutor p =
87	>	new ThreadPoolExecutor(1, 1,
88	>	LONG_DELAY_MS, MILLISECONDS,
89	>	new ArrayBlockingQueue<Runnable>(10));
90	>	try (PoolCleaner cleaner = cleaner(p)) {
91	>	final CountDownLatch done = new CountDownLatch(1);
92	>	final Runnable task = new CheckedRunnable() {
93	>	public void realRun() { done.countDown(); }};
94	>	p.execute(task);
95	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
96	>	}
97		}
98
99		/**
100	<	*  getActiveCount increases but doesn't overestimate, when a
101	<	*  thread becomes active
100	>	* getActiveCount increases but doesn't overestimate, when a
101	>	* thread becomes active
102		*/
103	<	public void testGetActiveCount() {
104	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
105	<	assertEquals(0, p2.getActiveCount());
106	<	p2.execute(new MediumRunnable());
107	<	try {
108	<	Thread.sleep(SHORT_DELAY_MS);
109	<	} catch(Exception e){
110	<	unexpectedException();
103	>	public void testGetActiveCount() throws InterruptedException {
104	>	final ThreadPoolExecutor p =
105	>	new ThreadPoolExecutor(2, 2,
106	>	LONG_DELAY_MS, MILLISECONDS,
107	>	new ArrayBlockingQueue<Runnable>(10));
108	>	try (PoolCleaner cleaner = cleaner(p)) {
109	>	final CountDownLatch threadStarted = new CountDownLatch(1);
110	>	final CountDownLatch done = new CountDownLatch(1);
111	>	assertEquals(0, p.getActiveCount());
112	>	p.execute(new CheckedRunnable() {
113	>	public void realRun() throws InterruptedException {
114	>	threadStarted.countDown();
115	>	assertEquals(1, p.getActiveCount());
116	>	done.await();
117	>	}});
118	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
119	>	assertEquals(1, p.getActiveCount());
120	>	done.countDown();
121		}
73	–	assertEquals(1, p2.getActiveCount());
74	–	joinPool(p2);
122		}
123
124		/**
125	<	*  prestartCoreThread starts a thread if under corePoolSize, else doesn't
125	>	* prestartCoreThread starts a thread if under corePoolSize, else doesn't
126		*/
127		public void testPrestartCoreThread() {
128	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
129	<	assertEquals(0, p2.getPoolSize());
130	<	assertTrue(p2.prestartCoreThread());
131	<	assertEquals(1, p2.getPoolSize());
132	<	assertTrue(p2.prestartCoreThread());
133	<	assertEquals(2, p2.getPoolSize());
134	<	assertFalse(p2.prestartCoreThread());
135	<	assertEquals(2, p2.getPoolSize());
136	<	joinPool(p2);
128	>	final ThreadPoolExecutor p =
129	>	new ThreadPoolExecutor(2, 6,
130	>	LONG_DELAY_MS, MILLISECONDS,
131	>	new ArrayBlockingQueue<Runnable>(10));
132	>	try (PoolCleaner cleaner = cleaner(p)) {
133	>	assertEquals(0, p.getPoolSize());
134	>	assertTrue(p.prestartCoreThread());
135	>	assertEquals(1, p.getPoolSize());
136	>	assertTrue(p.prestartCoreThread());
137	>	assertEquals(2, p.getPoolSize());
138	>	assertFalse(p.prestartCoreThread());
139	>	assertEquals(2, p.getPoolSize());
140	>	p.setCorePoolSize(4);
141	>	assertTrue(p.prestartCoreThread());
142	>	assertEquals(3, p.getPoolSize());
143	>	assertTrue(p.prestartCoreThread());
144	>	assertEquals(4, p.getPoolSize());
145	>	assertFalse(p.prestartCoreThread());
146	>	assertEquals(4, p.getPoolSize());
147	>	}
148		}
149
150		/**
151	<	*  prestartAllCoreThreads starts all corePoolSize threads
151	>	* prestartAllCoreThreads starts all corePoolSize threads
152		*/
153		public void testPrestartAllCoreThreads() {
154	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
155	<	assertEquals(0, p2.getPoolSize());
156	<	p2.prestartAllCoreThreads();
157	<	assertEquals(2, p2.getPoolSize());
158	<	p2.prestartAllCoreThreads();
159	<	assertEquals(2, p2.getPoolSize());
160	<	joinPool(p2);
161	<	}
162	<
163	<	/**
164	<	*   getCompletedTaskCount increases, but doesn't overestimate,
165	<	*   when tasks complete
166	<	*/
167	<	public void testGetCompletedTaskCount() {
168	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
169	<	assertEquals(0, p2.getCompletedTaskCount());
170	<	p2.execute(new ShortRunnable());
171	<	try {
172	<	Thread.sleep(SMALL_DELAY_MS);
173	<	} catch(Exception e){
174	<	unexpectedException();
175	<	}
176	<	assertEquals(1, p2.getCompletedTaskCount());
177	<	p2.shutdown();
178	<	joinPool(p2);
154	>	final ThreadPoolExecutor p =
155	>	new ThreadPoolExecutor(2, 6,
156	>	LONG_DELAY_MS, MILLISECONDS,
157	>	new ArrayBlockingQueue<Runnable>(10));
158	>	try (PoolCleaner cleaner = cleaner(p)) {
159	>	assertEquals(0, p.getPoolSize());
160	>	p.prestartAllCoreThreads();
161	>	assertEquals(2, p.getPoolSize());
162	>	p.prestartAllCoreThreads();
163	>	assertEquals(2, p.getPoolSize());
164	>	p.setCorePoolSize(4);
165	>	p.prestartAllCoreThreads();
166	>	assertEquals(4, p.getPoolSize());
167	>	p.prestartAllCoreThreads();
168	>	assertEquals(4, p.getPoolSize());
169	>	}
170	>	}
171	>
172	>	/**
173	>	* getCompletedTaskCount increases, but doesn't overestimate,
174	>	* when tasks complete
175	>	*/
176	>	public void testGetCompletedTaskCount() throws InterruptedException {
177	>	final ThreadPoolExecutor p =
178	>	new ThreadPoolExecutor(2, 2,
179	>	LONG_DELAY_MS, MILLISECONDS,
180	>	new ArrayBlockingQueue<Runnable>(10));
181	>	try (PoolCleaner cleaner = cleaner(p)) {
182	>	final CountDownLatch threadStarted = new CountDownLatch(1);
183	>	final CountDownLatch threadProceed = new CountDownLatch(1);
184	>	final CountDownLatch threadDone = new CountDownLatch(1);
185	>	assertEquals(0, p.getCompletedTaskCount());
186	>	p.execute(new CheckedRunnable() {
187	>	public void realRun() throws InterruptedException {
188	>	threadStarted.countDown();
189	>	assertEquals(0, p.getCompletedTaskCount());
190	>	threadProceed.await();
191	>	threadDone.countDown();
192	>	}});
193	>	await(threadStarted);
194	>	assertEquals(0, p.getCompletedTaskCount());
195	>	threadProceed.countDown();
196	>	threadDone.await();
197	>	long startTime = System.nanoTime();
198	>	while (p.getCompletedTaskCount() != 1) {
199	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
200	>	fail("timed out");
201	>	Thread.yield();
202	>	}
203	>	}
204		}
205	<
205	>
206		/**
207	<	*   getCorePoolSize returns size given in constructor if not otherwise set
207	>	* getCorePoolSize returns size given in constructor if not otherwise set
208		*/
209		public void testGetCorePoolSize() {
210	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
211	<	assertEquals(1, p1.getCorePoolSize());
212	<	joinPool(p1);
210	>	final ThreadPoolExecutor p =
211	>	new ThreadPoolExecutor(1, 1,
212	>	LONG_DELAY_MS, MILLISECONDS,
213	>	new ArrayBlockingQueue<Runnable>(10));
214	>	try (PoolCleaner cleaner = cleaner(p)) {
215	>	assertEquals(1, p.getCorePoolSize());
216	>	}
217		}
218	<
218	>
219		/**
220	<	*   getKeepAliveTime returns value given in constructor if not otherwise set
220	>	* getKeepAliveTime returns value given in constructor if not otherwise set
221		*/
222		public void testGetKeepAliveTime() {
223	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
224	<	assertEquals(1, p2.getKeepAliveTime(TimeUnit.SECONDS));
225	<	joinPool(p2);
223	>	final ThreadPoolExecutor p =
224	>	new ThreadPoolExecutor(2, 2,
225	>	1000, MILLISECONDS,
226	>	new ArrayBlockingQueue<Runnable>(10));
227	>	try (PoolCleaner cleaner = cleaner(p)) {
228	>	assertEquals(1, p.getKeepAliveTime(SECONDS));
229	>	}
230		}
231
232	<
142	<	/**
232	>	/**
233		* getThreadFactory returns factory in constructor if not set
234		*/
235		public void testGetThreadFactory() {
236	<	ThreadFactory tf = new SimpleThreadFactory();
237	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10), tf, new NoOpREHandler());
238	<	assertSame(tf, p.getThreadFactory());
239	<	p.shutdown();
240	<	joinPool(p);
236	>	ThreadFactory threadFactory = new SimpleThreadFactory();
237	>	final ThreadPoolExecutor p =
238	>	new ThreadPoolExecutor(1, 2,
239	>	LONG_DELAY_MS, MILLISECONDS,
240	>	new ArrayBlockingQueue<Runnable>(10),
241	>	threadFactory,
242	>	new NoOpREHandler());
243	>	try (PoolCleaner cleaner = cleaner(p)) {
244	>	assertSame(threadFactory, p.getThreadFactory());
245	>	}
246		}
247
248	<	/**
248	>	/**
249		* setThreadFactory sets the thread factory returned by getThreadFactory
250		*/
251		public void testSetThreadFactory() {
252	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
253	<	ThreadFactory tf = new SimpleThreadFactory();
254	<	p.setThreadFactory(tf);
255	<	assertSame(tf, p.getThreadFactory());
256	<	p.shutdown();
257	<	joinPool(p);
252	>	final ThreadPoolExecutor p =
253	>	new ThreadPoolExecutor(1, 2,
254	>	LONG_DELAY_MS, MILLISECONDS,
255	>	new ArrayBlockingQueue<Runnable>(10));
256	>	try (PoolCleaner cleaner = cleaner(p)) {
257	>	ThreadFactory threadFactory = new SimpleThreadFactory();
258	>	p.setThreadFactory(threadFactory);
259	>	assertSame(threadFactory, p.getThreadFactory());
260	>	}
261		}
262
263	<
166	<	/**
263	>	/**
264		* setThreadFactory(null) throws NPE
265		*/
266		public void testSetThreadFactoryNull() {
267	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
268	<	try {
269	<	p.setThreadFactory(null);
270	<	shouldThrow();
271	<	} catch (NullPointerException success) {
272	<	} finally {
273	<	joinPool(p);
267	>	final ThreadPoolExecutor p =
268	>	new ThreadPoolExecutor(1, 2,
269	>	LONG_DELAY_MS, MILLISECONDS,
270	>	new ArrayBlockingQueue<Runnable>(10));
271	>	try (PoolCleaner cleaner = cleaner(p)) {
272	>	try {
273	>	p.setThreadFactory(null);
274	>	shouldThrow();
275	>	} catch (NullPointerException success) {}
276		}
277		}
278
279	<
181	<	/**
279	>	/**
280		* getRejectedExecutionHandler returns handler in constructor if not set
281		*/
282		public void testGetRejectedExecutionHandler() {
283	<	RejectedExecutionHandler h = new NoOpREHandler();
284	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10), h);
285	<	assertSame(h, p.getRejectedExecutionHandler());
286	<	p.shutdown();
287	<	joinPool(p);
283	>	final RejectedExecutionHandler handler = new NoOpREHandler();
284	>	final ThreadPoolExecutor p =
285	>	new ThreadPoolExecutor(1, 2,
286	>	LONG_DELAY_MS, MILLISECONDS,
287	>	new ArrayBlockingQueue<Runnable>(10),
288	>	handler);
289	>	try (PoolCleaner cleaner = cleaner(p)) {
290	>	assertSame(handler, p.getRejectedExecutionHandler());
291	>	}
292		}
293
294	<	/**
294	>	/**
295		* setRejectedExecutionHandler sets the handler returned by
296		* getRejectedExecutionHandler
297		*/
298		public void testSetRejectedExecutionHandler() {
299	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
300	<	RejectedExecutionHandler h = new NoOpREHandler();
301	<	p.setRejectedExecutionHandler(h);
302	<	assertSame(h, p.getRejectedExecutionHandler());
303	<	p.shutdown();
304	<	joinPool(p);
299	>	final ThreadPoolExecutor p =
300	>	new ThreadPoolExecutor(1, 2,
301	>	LONG_DELAY_MS, MILLISECONDS,
302	>	new ArrayBlockingQueue<Runnable>(10));
303	>	try (PoolCleaner cleaner = cleaner(p)) {
304	>	RejectedExecutionHandler handler = new NoOpREHandler();
305	>	p.setRejectedExecutionHandler(handler);
306	>	assertSame(handler, p.getRejectedExecutionHandler());
307	>	}
308		}
309
310	<
206	<	/**
310	>	/**
311		* setRejectedExecutionHandler(null) throws NPE
312		*/
313		public void testSetRejectedExecutionHandlerNull() {
314	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
315	<	try {
316	<	p.setRejectedExecutionHandler(null);
317	<	shouldThrow();
318	<	} catch (NullPointerException success) {
319	<	} finally {
320	<	joinPool(p);
314	>	final ThreadPoolExecutor p =
315	>	new ThreadPoolExecutor(1, 2,
316	>	LONG_DELAY_MS, MILLISECONDS,
317	>	new ArrayBlockingQueue<Runnable>(10));
318	>	try (PoolCleaner cleaner = cleaner(p)) {
319	>	try {
320	>	p.setRejectedExecutionHandler(null);
321	>	shouldThrow();
322	>	} catch (NullPointerException success) {}
323		}
324		}
325
220	–
326		/**
327	<	*   getLargestPoolSize increases, but doesn't overestimate, when
328	<	*   multiple threads active
329	<	*/
330	<	public void testGetLargestPoolSize() {
331	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
332	<	try {
333	<	assertEquals(0, p2.getLargestPoolSize());
334	<	p2.execute(new MediumRunnable());
335	<	p2.execute(new MediumRunnable());
336	<	Thread.sleep(SHORT_DELAY_MS);
337	<	assertEquals(2, p2.getLargestPoolSize());
338	<	} catch(Exception e){
339	<	unexpectedException();
340	<	}
341	<	joinPool(p2);
342	<	}
343	<
344	<	/**
345	<	*   getMaximumPoolSize returns value given in constructor if not
346	<	*   otherwise set
347	<	*/
348	<	public void testGetMaximumPoolSize() {
349	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
350	<	assertEquals(2, p2.getMaximumPoolSize());
351	<	joinPool(p2);
247	<	}
248	<
249	<	/**
250	<	*   getPoolSize increases, but doesn't overestimate, when threads
251	<	*   become active
252	<	*/
253	<	public void testGetPoolSize() {
254	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
255	<	assertEquals(0, p1.getPoolSize());
256	<	p1.execute(new MediumRunnable());
257	<	assertEquals(1, p1.getPoolSize());
258	<	joinPool(p1);
259	<	}
260	<
261	<	/**
262	<	*  getTaskCount increases, but doesn't overestimate, when tasks submitted
263	<	*/
264	<	public void testGetTaskCount() {
265	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
266	<	try {
267	<	assertEquals(0, p1.getTaskCount());
268	<	p1.execute(new MediumRunnable());
269	<	Thread.sleep(SHORT_DELAY_MS);
270	<	assertEquals(1, p1.getTaskCount());
271	<	} catch(Exception e){
272	<	unexpectedException();
273	<	}
274	<	joinPool(p1);
275	<	}
276	<
277	<	/**
278	<	*   isShutDown is false before shutdown, true after
279	<	*/
280	<	public void testIsShutdown() {
281	<
282	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
283	<	assertFalse(p1.isShutdown());
284	<	p1.shutdown();
285	<	assertTrue(p1.isShutdown());
286	<	joinPool(p1);
327	>	* getLargestPoolSize increases, but doesn't overestimate, when
328	>	* multiple threads active
329	>	*/
330	>	public void testGetLargestPoolSize() throws InterruptedException {
331	>	final int THREADS = 3;
332	>	final ThreadPoolExecutor p =
333	>	new ThreadPoolExecutor(THREADS, THREADS,
334	>	LONG_DELAY_MS, MILLISECONDS,
335	>	new ArrayBlockingQueue<Runnable>(10));
336	>	try (PoolCleaner cleaner = cleaner(p)) {
337	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
338	>	final CountDownLatch done = new CountDownLatch(1);
339	>	assertEquals(0, p.getLargestPoolSize());
340	>	for (int i = 0; i < THREADS; i++)
341	>	p.execute(new CheckedRunnable() {
342	>	public void realRun() throws InterruptedException {
343	>	threadsStarted.countDown();
344	>	done.await();
345	>	assertEquals(THREADS, p.getLargestPoolSize());
346	>	}});
347	>	assertTrue(threadsStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
348	>	assertEquals(THREADS, p.getLargestPoolSize());
349	>	done.countDown();   // release pool
350	>	}
351	>	assertEquals(THREADS, p.getLargestPoolSize());
352		}
353
289	–
354		/**
355	<	*  isTerminated is false before termination, true after
355	>	* getMaximumPoolSize returns value given in constructor if not
356	>	* otherwise set
357		*/
358	<	public void testIsTerminated() {
359	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
360	<	assertFalse(p1.isTerminated());
361	<	try {
362	<	p1.execute(new MediumRunnable());
363	<	} finally {
364	<	p1.shutdown();
358	>	public void testGetMaximumPoolSize() {
359	>	final ThreadPoolExecutor p =
360	>	new ThreadPoolExecutor(2, 3,
361	>	LONG_DELAY_MS, MILLISECONDS,
362	>	new ArrayBlockingQueue<Runnable>(10));
363	>	try (PoolCleaner cleaner = cleaner(p)) {
364	>	assertEquals(3, p.getMaximumPoolSize());
365	>	p.setMaximumPoolSize(5);
366	>	assertEquals(5, p.getMaximumPoolSize());
367	>	p.setMaximumPoolSize(4);
368	>	assertEquals(4, p.getMaximumPoolSize());
369	>	}
370	>	}
371	>
372	>	/**
373	>	* getPoolSize increases, but doesn't overestimate, when threads
374	>	* become active
375	>	*/
376	>	public void testGetPoolSize() throws InterruptedException {
377	>	final ThreadPoolExecutor p =
378	>	new ThreadPoolExecutor(1, 1,
379	>	LONG_DELAY_MS, MILLISECONDS,
380	>	new ArrayBlockingQueue<Runnable>(10));
381	>	try (PoolCleaner cleaner = cleaner(p)) {
382	>	final CountDownLatch threadStarted = new CountDownLatch(1);
383	>	final CountDownLatch done = new CountDownLatch(1);
384	>	assertEquals(0, p.getPoolSize());
385	>	p.execute(new CheckedRunnable() {
386	>	public void realRun() throws InterruptedException {
387	>	threadStarted.countDown();
388	>	assertEquals(1, p.getPoolSize());
389	>	done.await();
390	>	}});
391	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
392	>	assertEquals(1, p.getPoolSize());
393	>	done.countDown();   // release pool
394	>	}
395	>	}
396	>
397	>	/**
398	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
399	>	*/
400	>	public void testGetTaskCount() throws InterruptedException {
401	>	final ThreadPoolExecutor p =
402	>	new ThreadPoolExecutor(1, 1,
403	>	LONG_DELAY_MS, MILLISECONDS,
404	>	new ArrayBlockingQueue<Runnable>(10));
405	>	try (PoolCleaner cleaner = cleaner(p)) {
406	>	final CountDownLatch threadStarted = new CountDownLatch(1);
407	>	final CountDownLatch done = new CountDownLatch(1);
408	>	assertEquals(0, p.getTaskCount());
409	>	p.execute(new CheckedRunnable() {
410	>	public void realRun() throws InterruptedException {
411	>	threadStarted.countDown();
412	>	assertEquals(1, p.getTaskCount());
413	>	done.await();
414	>	}});
415	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
416	>	assertEquals(1, p.getTaskCount());
417	>	done.countDown();
418		}
301	–	try {
302	–	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
303	–	assertTrue(p1.isTerminated());
304	–	} catch(Exception e){
305	–	unexpectedException();
306	–	}
419		}
420
421		/**
422	<	*  isTerminating is not true when running or when terminated
422	>	* isShutdown is false before shutdown, true after
423		*/
424	<	public void testIsTerminating() {
425	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
426	<	assertFalse(p1.isTerminating());
427	<	try {
428	<	p1.execute(new SmallRunnable());
429	<	assertFalse(p1.isTerminating());
430	<	} finally {
431	<	p1.shutdown();
424	>	public void testIsShutdown() {
425	>	final ThreadPoolExecutor p =
426	>	new ThreadPoolExecutor(1, 1,
427	>	LONG_DELAY_MS, MILLISECONDS,
428	>	new ArrayBlockingQueue<Runnable>(10));
429	>	try (PoolCleaner cleaner = cleaner(p)) {
430	>	assertFalse(p.isShutdown());
431	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
432	>	assertTrue(p.isShutdown());
433	>	}
434	>	}
435	>
436	>	/**
437	>	* awaitTermination on a non-shutdown pool times out
438	>	*/
439	>	public void testAwaitTermination_timesOut() throws InterruptedException {
440	>	final ThreadPoolExecutor p =
441	>	new ThreadPoolExecutor(1, 1,
442	>	LONG_DELAY_MS, MILLISECONDS,
443	>	new ArrayBlockingQueue<Runnable>(10));
444	>	try (PoolCleaner cleaner = cleaner(p)) {
445	>	assertFalse(p.isTerminated());
446	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
447	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
448	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
449	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
450	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
451	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
452	>	long timeoutNanos = 999999L;
453	>	long startTime = System.nanoTime();
454	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
455	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
456	>	assertFalse(p.isTerminated());
457	>	startTime = System.nanoTime();
458	>	long timeoutMillis = timeoutMillis();
459	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
460	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
461	>	assertFalse(p.isTerminated());
462	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
463	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
464	>	assertTrue(p.isTerminated());
465	>	}
466	>	}
467	>
468	>	/**
469	>	* isTerminated is false before termination, true after
470	>	*/
471	>	public void testIsTerminated() throws InterruptedException {
472	>	final ThreadPoolExecutor p =
473	>	new ThreadPoolExecutor(1, 1,
474	>	LONG_DELAY_MS, MILLISECONDS,
475	>	new ArrayBlockingQueue<Runnable>(10));
476	>	try (PoolCleaner cleaner = cleaner(p)) {
477	>	final CountDownLatch threadStarted = new CountDownLatch(1);
478	>	final CountDownLatch done = new CountDownLatch(1);
479	>	assertFalse(p.isTerminating());
480	>	p.execute(new CheckedRunnable() {
481	>	public void realRun() throws InterruptedException {
482	>	assertFalse(p.isTerminating());
483	>	threadStarted.countDown();
484	>	done.await();
485	>	}});
486	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
487	>	assertFalse(p.isTerminating());
488	>	done.countDown();
489	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
490	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
491	>	assertTrue(p.isTerminated());
492	>	assertFalse(p.isTerminating());
493	>	}
494	>	}
495	>
496	>	/**
497	>	* isTerminating is not true when running or when terminated
498	>	*/
499	>	public void testIsTerminating() throws InterruptedException {
500	>	final ThreadPoolExecutor p =
501	>	new ThreadPoolExecutor(1, 1,
502	>	LONG_DELAY_MS, MILLISECONDS,
503	>	new ArrayBlockingQueue<Runnable>(10));
504	>	try (PoolCleaner cleaner = cleaner(p)) {
505	>	final CountDownLatch threadStarted = new CountDownLatch(1);
506	>	final CountDownLatch done = new CountDownLatch(1);
507	>	assertFalse(p.isTerminating());
508	>	p.execute(new CheckedRunnable() {
509	>	public void realRun() throws InterruptedException {
510	>	assertFalse(p.isTerminating());
511	>	threadStarted.countDown();
512	>	done.await();
513	>	}});
514	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
515	>	assertFalse(p.isTerminating());
516	>	done.countDown();
517	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
518	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
519	>	assertTrue(p.isTerminated());
520	>	assertFalse(p.isTerminating());
521		}
321	–	try {
322	–	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
323	–	assertTrue(p1.isTerminated());
324	–	assertFalse(p1.isTerminating());
325	–	} catch(Exception e){
326	–	unexpectedException();
327	–	}
522		}
523
524		/**
525		* getQueue returns the work queue, which contains queued tasks
526		*/
527	<	public void testGetQueue() {
528	<	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
529	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, q);
530	<	CancellableTask[] tasks = new CancellableTask[5];
531	<	for(int i = 0; i < 5; i++){
532	<	tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
533	<	p1.execute(tasks[i]);
534	<	}
535	<	try {
536	<	Thread.sleep(SHORT_DELAY_MS);
537	<	BlockingQueue<Runnable> wq = p1.getQueue();
538	<	assertSame(q, wq);
539	<	assertFalse(wq.contains(tasks[0]));
540	<	assertTrue(wq.contains(tasks[4]));
541	<	p1.shutdownNow();
542	<	} catch(Exception e) {
543	<	unexpectedException();
544	<	} finally {
545	<	joinPool(p1);
527	>	public void testGetQueue() throws InterruptedException {
528	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
529	>	final ThreadPoolExecutor p =
530	>	new ThreadPoolExecutor(1, 1,
531	>	LONG_DELAY_MS, MILLISECONDS,
532	>	q);
533	>	try (PoolCleaner cleaner = cleaner(p)) {
534	>	final CountDownLatch threadStarted = new CountDownLatch(1);
535	>	final CountDownLatch done = new CountDownLatch(1);
536	>	FutureTask[] tasks = new FutureTask[5];
537	>	for (int i = 0; i < tasks.length; i++) {
538	>	Callable task = new CheckedCallable<Boolean>() {
539	>	public Boolean realCall() throws InterruptedException {
540	>	threadStarted.countDown();
541	>	assertSame(q, p.getQueue());
542	>	done.await();
543	>	return Boolean.TRUE;
544	>	}};
545	>	tasks[i] = new FutureTask(task);
546	>	p.execute(tasks[i]);
547	>	}
548	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
549	>	assertSame(q, p.getQueue());
550	>	assertFalse(q.contains(tasks[0]));
551	>	assertTrue(q.contains(tasks[tasks.length - 1]));
552	>	assertEquals(tasks.length - 1, q.size());
553	>	done.countDown();
554		}
555		}
556
557		/**
558		* remove(task) removes queued task, and fails to remove active task
559		*/
560	<	public void testRemove() {
560	>	public void testRemove() throws InterruptedException {
561		BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
562	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, q);
563	<	CancellableTask[] tasks = new CancellableTask[5];
564	<	for(int i = 0; i < 5; i++){
565	<	tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
566	<	p1.execute(tasks[i]);
567	<	}
568	<	try {
569	<	Thread.sleep(SHORT_DELAY_MS);
570	<	assertFalse(p1.remove(tasks[0]));
562	>	final ThreadPoolExecutor p =
563	>	new ThreadPoolExecutor(1, 1,
564	>	LONG_DELAY_MS, MILLISECONDS,
565	>	q);
566	>	try (PoolCleaner cleaner = cleaner(p)) {
567	>	Runnable[] tasks = new Runnable[6];
568	>	final CountDownLatch threadStarted = new CountDownLatch(1);
569	>	final CountDownLatch done = new CountDownLatch(1);
570	>	for (int i = 0; i < tasks.length; i++) {
571	>	tasks[i] = new CheckedRunnable() {
572	>	public void realRun() throws InterruptedException {
573	>	threadStarted.countDown();
574	>	done.await();
575	>	}};
576	>	p.execute(tasks[i]);
577	>	}
578	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
579	>	assertFalse(p.remove(tasks[0]));
580		assertTrue(q.contains(tasks[4]));
581		assertTrue(q.contains(tasks[3]));
582	<	assertTrue(p1.remove(tasks[4]));
583	<	assertFalse(p1.remove(tasks[4]));
582	>	assertTrue(p.remove(tasks[4]));
583	>	assertFalse(p.remove(tasks[4]));
584		assertFalse(q.contains(tasks[4]));
585		assertTrue(q.contains(tasks[3]));
586	<	assertTrue(p1.remove(tasks[3]));
586	>	assertTrue(p.remove(tasks[3]));
587		assertFalse(q.contains(tasks[3]));
588	<	p1.shutdownNow();
378	<	} catch(Exception e) {
379	<	unexpectedException();
380	<	} finally {
381	<	joinPool(p1);
588	>	done.countDown();
589		}
590		}
591
592		/**
593	<	*   purge removes cancelled tasks from the queue
593	>	* purge removes cancelled tasks from the queue
594		*/
595	<	public void testPurge() {
596	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
597	<	CancellableTask[] tasks = new CancellableTask[5];
598	<	for(int i = 0; i < 5; i++){
599	<	tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
600	<	p1.execute(tasks[i]);
595	>	public void testPurge() throws InterruptedException {
596	>	final CountDownLatch threadStarted = new CountDownLatch(1);
597	>	final CountDownLatch done = new CountDownLatch(1);
598	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
599	>	final ThreadPoolExecutor p =
600	>	new ThreadPoolExecutor(1, 1,
601	>	LONG_DELAY_MS, MILLISECONDS,
602	>	q);
603	>	try (PoolCleaner cleaner = cleaner(p)) {
604	>	FutureTask[] tasks = new FutureTask[5];
605	>	for (int i = 0; i < tasks.length; i++) {
606	>	Callable task = new CheckedCallable<Boolean>() {
607	>	public Boolean realCall() throws InterruptedException {
608	>	threadStarted.countDown();
609	>	done.await();
610	>	return Boolean.TRUE;
611	>	}};
612	>	tasks[i] = new FutureTask(task);
613	>	p.execute(tasks[i]);
614	>	}
615	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
616	>	assertEquals(tasks.length, p.getTaskCount());
617	>	assertEquals(tasks.length - 1, q.size());
618	>	assertEquals(1L, p.getActiveCount());
619	>	assertEquals(0L, p.getCompletedTaskCount());
620	>	tasks[4].cancel(true);
621	>	tasks[3].cancel(false);
622	>	p.purge();
623	>	assertEquals(tasks.length - 3, q.size());
624	>	assertEquals(tasks.length - 2, p.getTaskCount());
625	>	p.purge();         // Nothing to do
626	>	assertEquals(tasks.length - 3, q.size());
627	>	assertEquals(tasks.length - 2, p.getTaskCount());
628	>	done.countDown();
629		}
395	–	tasks[4].cancel(true);
396	–	tasks[3].cancel(true);
397	–	p1.purge();
398	–	long count = p1.getTaskCount();
399	–	assertTrue(count >= 2 && count < 5);
400	–	p1.shutdownNow();
401	–	joinPool(p1);
630		}
631
632		/**
633	<	*  shutDownNow returns a list containing tasks that were not run
634	<	*/
635	<	public void testShutDownNow() {
636	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
637	<	List l;
638	<	try {
639	<	for(int i = 0; i < 5; i++)
640	<	p1.execute(new MediumPossiblyInterruptedRunnable());
641	<	}
642	<	finally {
643	<	l = p1.shutdownNow();
644	<	}
645	<	assertTrue(p1.isShutdown());
646	<	assertTrue(l.size() <= 4);
633	>	* shutdownNow returns a list containing tasks that were not run,
634	>	* and those tasks are drained from the queue
635	>	*/
636	>	public void testShutdownNow() throws InterruptedException {
637	>	final int poolSize = 2;
638	>	final int count = 5;
639	>	final AtomicInteger ran = new AtomicInteger(0);
640	>	final ThreadPoolExecutor p =
641	>	new ThreadPoolExecutor(poolSize, poolSize,
642	>	LONG_DELAY_MS, MILLISECONDS,
643	>	new ArrayBlockingQueue<Runnable>(10));
644	>	CountDownLatch threadsStarted = new CountDownLatch(poolSize);
645	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
646	>	threadsStarted.countDown();
647	>	try {
648	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
649	>	} catch (InterruptedException success) {}
650	>	ran.getAndIncrement();
651	>	}};
652	>	for (int i = 0; i < count; i++)
653	>	p.execute(waiter);
654	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
655	>	assertEquals(poolSize, p.getActiveCount());
656	>	assertEquals(0, p.getCompletedTaskCount());
657	>	final List<Runnable> queuedTasks;
658	>	try {
659	>	queuedTasks = p.shutdownNow();
660	>	} catch (SecurityException ok) {
661	>	return; // Allowed in case test doesn't have privs
662	>	}
663	>	assertTrue(p.isShutdown());
664	>	assertTrue(p.getQueue().isEmpty());
665	>	assertEquals(count - poolSize, queuedTasks.size());
666	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
667	>	assertTrue(p.isTerminated());
668	>	assertEquals(poolSize, ran.get());
669	>	assertEquals(poolSize, p.getCompletedTaskCount());
670		}
671
672		// Exception Tests
422	–
673
674	<	/**
675	<	* Constructor throws if corePoolSize argument is less than zero
674	>	/**
675	>	* Constructor throws if corePoolSize argument is less than zero
676		*/
677		public void testConstructor1() {
678		try {
679	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
679	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
680	>	new ArrayBlockingQueue<Runnable>(10));
681		shouldThrow();
682	<	}
432	<	catch (IllegalArgumentException success){}
682	>	} catch (IllegalArgumentException success) {}
683		}
684	<
685	<	/**
686	<	* Constructor throws if maximumPoolSize is less than zero
684	>
685	>	/**
686	>	* Constructor throws if maximumPoolSize is less than zero
687		*/
688		public void testConstructor2() {
689		try {
690	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
690	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
691	>	new ArrayBlockingQueue<Runnable>(10));
692		shouldThrow();
693	<	}
443	<	catch (IllegalArgumentException success){}
693	>	} catch (IllegalArgumentException success) {}
694		}
695	<
696	<	/**
697	<	* Constructor throws if maximumPoolSize is equal to zero
695	>
696	>	/**
697	>	* Constructor throws if maximumPoolSize is equal to zero
698		*/
699		public void testConstructor3() {
700		try {
701	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
701	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
702	>	new ArrayBlockingQueue<Runnable>(10));
703		shouldThrow();
704	<	}
454	<	catch (IllegalArgumentException success){}
704	>	} catch (IllegalArgumentException success) {}
705		}
706
707	<	/**
708	<	* Constructor throws if keepAliveTime is less than zero
707	>	/**
708	>	* Constructor throws if keepAliveTime is less than zero
709		*/
710		public void testConstructor4() {
711		try {
712	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
712	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
713	>	new ArrayBlockingQueue<Runnable>(10));
714		shouldThrow();
715	<	}
465	<	catch (IllegalArgumentException success){}
715	>	} catch (IllegalArgumentException success) {}
716		}
717
718	<	/**
719	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
718	>	/**
719	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
720		*/
721		public void testConstructor5() {
722		try {
723	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
723	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
724	>	new ArrayBlockingQueue<Runnable>(10));
725		shouldThrow();
726	<	}
476	<	catch (IllegalArgumentException success){}
726	>	} catch (IllegalArgumentException success) {}
727		}
728	<
729	<	/**
730	<	* Constructor throws if workQueue is set to null
728	>
729	>	/**
730	>	* Constructor throws if workQueue is set to null
731		*/
732		public void testConstructorNullPointerException() {
733		try {
734	<	new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null);
734	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
735	>	(BlockingQueue) null);
736		shouldThrow();
737	<	}
487	<	catch (NullPointerException success){}
737	>	} catch (NullPointerException success) {}
738		}
489	–
739
740	<
741	<	/**
493	<	* Constructor throws if corePoolSize argument is less than zero
740	>	/**
741	>	* Constructor throws if corePoolSize argument is less than zero
742		*/
743		public void testConstructor6() {
744		try {
745	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
745	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
746	>	new ArrayBlockingQueue<Runnable>(10),
747	>	new SimpleThreadFactory());
748		shouldThrow();
749	<	} catch (IllegalArgumentException success){}
749	>	} catch (IllegalArgumentException success) {}
750		}
751	<
752	<	/**
753	<	* Constructor throws if maximumPoolSize is less than zero
751	>
752	>	/**
753	>	* Constructor throws if maximumPoolSize is less than zero
754		*/
755		public void testConstructor7() {
756		try {
757	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
757	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
758	>	new ArrayBlockingQueue<Runnable>(10),
759	>	new SimpleThreadFactory());
760		shouldThrow();
761	<	}
510	<	catch (IllegalArgumentException success){}
761	>	} catch (IllegalArgumentException success) {}
762		}
763
764	<	/**
765	<	* Constructor throws if maximumPoolSize is equal to zero
764	>	/**
765	>	* Constructor throws if maximumPoolSize is equal to zero
766		*/
767		public void testConstructor8() {
768		try {
769	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
769	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
770	>	new ArrayBlockingQueue<Runnable>(10),
771	>	new SimpleThreadFactory());
772		shouldThrow();
773	<	}
521	<	catch (IllegalArgumentException success){}
773	>	} catch (IllegalArgumentException success) {}
774		}
775
776	<	/**
777	<	* Constructor throws if keepAliveTime is less than zero
776	>	/**
777	>	* Constructor throws if keepAliveTime is less than zero
778		*/
779		public void testConstructor9() {
780		try {
781	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
781	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
782	>	new ArrayBlockingQueue<Runnable>(10),
783	>	new SimpleThreadFactory());
784		shouldThrow();
785	<	}
532	<	catch (IllegalArgumentException success){}
785	>	} catch (IllegalArgumentException success) {}
786		}
787
788	<	/**
789	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
788	>	/**
789	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
790		*/
791		public void testConstructor10() {
792		try {
793	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
793	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
794	>	new ArrayBlockingQueue<Runnable>(10),
795	>	new SimpleThreadFactory());
796		shouldThrow();
797	<	}
543	<	catch (IllegalArgumentException success){}
797	>	} catch (IllegalArgumentException success) {}
798		}
799
800	<	/**
801	<	* Constructor throws if workQueue is set to null
800	>	/**
801	>	* Constructor throws if workQueue is set to null
802		*/
803		public void testConstructorNullPointerException2() {
804		try {
805	<	new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null,new SimpleThreadFactory());
805	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
806	>	(BlockingQueue) null,
807	>	new SimpleThreadFactory());
808		shouldThrow();
809	<	}
554	<	catch (NullPointerException success){}
809	>	} catch (NullPointerException success) {}
810		}
811
812	<	/**
813	<	* Constructor throws if threadFactory is set to null
812	>	/**
813	>	* Constructor throws if threadFactory is set to null
814		*/
815		public void testConstructorNullPointerException3() {
816		try {
817	<	ThreadFactory f = null;
818	<	new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
817	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
818	>	new ArrayBlockingQueue<Runnable>(10),
819	>	(ThreadFactory) null);
820		shouldThrow();
821	<	}
566	<	catch (NullPointerException success){}
821	>	} catch (NullPointerException success) {}
822		}
823	<
824	<
825	<	/**
571	<	* Constructor throws if corePoolSize argument is less than zero
823	>
824	>	/**
825	>	* Constructor throws if corePoolSize argument is less than zero
826		*/
827		public void testConstructor11() {
828		try {
829	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
829	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
830	>	new ArrayBlockingQueue<Runnable>(10),
831	>	new NoOpREHandler());
832		shouldThrow();
833	<	}
578	<	catch (IllegalArgumentException success){}
833	>	} catch (IllegalArgumentException success) {}
834		}
835
836	<	/**
837	<	* Constructor throws if maximumPoolSize is less than zero
836	>	/**
837	>	* Constructor throws if maximumPoolSize is less than zero
838		*/
839		public void testConstructor12() {
840		try {
841	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
841	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
842	>	new ArrayBlockingQueue<Runnable>(10),
843	>	new NoOpREHandler());
844		shouldThrow();
845	<	}
589	<	catch (IllegalArgumentException success){}
845	>	} catch (IllegalArgumentException success) {}
846		}
847
848	<	/**
849	<	* Constructor throws if maximumPoolSize is equal to zero
848	>	/**
849	>	* Constructor throws if maximumPoolSize is equal to zero
850		*/
851		public void testConstructor13() {
852		try {
853	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
853	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
854	>	new ArrayBlockingQueue<Runnable>(10),
855	>	new NoOpREHandler());
856		shouldThrow();
857	<	}
600	<	catch (IllegalArgumentException success){}
857	>	} catch (IllegalArgumentException success) {}
858		}
859
860	<	/**
861	<	* Constructor throws if keepAliveTime is less than zero
860	>	/**
861	>	* Constructor throws if keepAliveTime is less than zero
862		*/
863		public void testConstructor14() {
864		try {
865	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
865	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
866	>	new ArrayBlockingQueue<Runnable>(10),
867	>	new NoOpREHandler());
868		shouldThrow();
869	<	}
611	<	catch (IllegalArgumentException success){}
869	>	} catch (IllegalArgumentException success) {}
870		}
871
872	<	/**
873	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
872	>	/**
873	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
874		*/
875		public void testConstructor15() {
876		try {
877	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
877	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
878	>	new ArrayBlockingQueue<Runnable>(10),
879	>	new NoOpREHandler());
880		shouldThrow();
881	<	}
622	<	catch (IllegalArgumentException success){}
881	>	} catch (IllegalArgumentException success) {}
882		}
883
884	<	/**
885	<	* Constructor throws if workQueue is set to null
884	>	/**
885	>	* Constructor throws if workQueue is set to null
886		*/
887		public void testConstructorNullPointerException4() {
888		try {
889	<	new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null,new NoOpREHandler());
889	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
890	>	(BlockingQueue) null,
891	>	new NoOpREHandler());
892		shouldThrow();
893	<	}
633	<	catch (NullPointerException success){}
893	>	} catch (NullPointerException success) {}
894		}
895
896	<	/**
897	<	* Constructor throws if handler is set to null
896	>	/**
897	>	* Constructor throws if handler is set to null
898		*/
899		public void testConstructorNullPointerException5() {
900		try {
901	<	RejectedExecutionHandler r = null;
902	<	new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
901	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
902	>	new ArrayBlockingQueue<Runnable>(10),
903	>	(RejectedExecutionHandler) null);
904		shouldThrow();
905	<	}
645	<	catch (NullPointerException success){}
905	>	} catch (NullPointerException success) {}
906		}
907
908	<
909	<	/**
650	<	* Constructor throws if corePoolSize argument is less than zero
908	>	/**
909	>	* Constructor throws if corePoolSize argument is less than zero
910		*/
911		public void testConstructor16() {
912		try {
913	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
913	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
914	>	new ArrayBlockingQueue<Runnable>(10),
915	>	new SimpleThreadFactory(),
916	>	new NoOpREHandler());
917		shouldThrow();
918	<	}
657	<	catch (IllegalArgumentException success){}
918	>	} catch (IllegalArgumentException success) {}
919		}
920
921	<	/**
922	<	* Constructor throws if maximumPoolSize is less than zero
921	>	/**
922	>	* Constructor throws if maximumPoolSize is less than zero
923		*/
924		public void testConstructor17() {
925		try {
926	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
926	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
927	>	new ArrayBlockingQueue<Runnable>(10),
928	>	new SimpleThreadFactory(),
929	>	new NoOpREHandler());
930		shouldThrow();
931	<	}
668	<	catch (IllegalArgumentException success){}
931	>	} catch (IllegalArgumentException success) {}
932		}
933
934	<	/**
935	<	* Constructor throws if maximumPoolSize is equal to zero
934	>	/**
935	>	* Constructor throws if maximumPoolSize is equal to zero
936		*/
937		public void testConstructor18() {
938		try {
939	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
939	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
940	>	new ArrayBlockingQueue<Runnable>(10),
941	>	new SimpleThreadFactory(),
942	>	new NoOpREHandler());
943		shouldThrow();
944	<	}
679	<	catch (IllegalArgumentException success){}
944	>	} catch (IllegalArgumentException success) {}
945		}
946
947	<	/**
948	<	* Constructor throws if keepAliveTime is less than zero
947	>	/**
948	>	* Constructor throws if keepAliveTime is less than zero
949		*/
950		public void testConstructor19() {
951		try {
952	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
952	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
953	>	new ArrayBlockingQueue<Runnable>(10),
954	>	new SimpleThreadFactory(),
955	>	new NoOpREHandler());
956		shouldThrow();
957	<	}
690	<	catch (IllegalArgumentException success){}
957	>	} catch (IllegalArgumentException success) {}
958		}
959
960	<	/**
961	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
960	>	/**
961	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
962		*/
963		public void testConstructor20() {
964		try {
965	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
965	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
966	>	new ArrayBlockingQueue<Runnable>(10),
967	>	new SimpleThreadFactory(),
968	>	new NoOpREHandler());
969		shouldThrow();
970	<	}
701	<	catch (IllegalArgumentException success){}
970	>	} catch (IllegalArgumentException success) {}
971		}
972
973	<	/**
974	<	* Constructor throws if workQueue is set to null
973	>	/**
974	>	* Constructor throws if workQueue is null
975		*/
976		public void testConstructorNullPointerException6() {
977		try {
978	<	new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null,new SimpleThreadFactory(),new NoOpREHandler());
978	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
979	>	(BlockingQueue) null,
980	>	new SimpleThreadFactory(),
981	>	new NoOpREHandler());
982		shouldThrow();
983	<	}
712	<	catch (NullPointerException success){}
983	>	} catch (NullPointerException success) {}
984		}
985
986	<	/**
987	<	* Constructor throws if handler is set to null
986	>	/**
987	>	* Constructor throws if handler is null
988		*/
989		public void testConstructorNullPointerException7() {
990		try {
991	<	RejectedExecutionHandler r = null;
992	<	new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),r);
991	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
992	>	new ArrayBlockingQueue<Runnable>(10),
993	>	new SimpleThreadFactory(),
994	>	(RejectedExecutionHandler) null);
995		shouldThrow();
996	<	}
724	<	catch (NullPointerException success){}
996	>	} catch (NullPointerException success) {}
997		}
998
999	<	/**
1000	<	* Constructor throws if ThreadFactory is set top null
999	>	/**
1000	>	* Constructor throws if ThreadFactory is null
1001		*/
1002		public void testConstructorNullPointerException8() {
1003		try {
1004	<	ThreadFactory f = null;
1005	<	new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new NoOpREHandler());
1004	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1005	>	new ArrayBlockingQueue<Runnable>(10),
1006	>	(ThreadFactory) null,
1007	>	new NoOpREHandler());
1008		shouldThrow();
1009	+	} catch (NullPointerException success) {}
1010	+	}
1011	+
1012	+	/**
1013	+	* get of submitted callable throws InterruptedException if interrupted
1014	+	*/
1015	+	public void testInterruptedSubmit() throws InterruptedException {
1016	+	final ThreadPoolExecutor p =
1017	+	new ThreadPoolExecutor(1, 1,
1018	+	60, SECONDS,
1019	+	new ArrayBlockingQueue<Runnable>(10));
1020	+
1021	+	try (PoolCleaner cleaner = cleaner(p)) {
1022	+	final CountDownLatch threadStarted = new CountDownLatch(1);
1023	+	final CountDownLatch done = new CountDownLatch(1);
1024	+	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1025	+	public void realRun() throws Exception {
1026	+	Callable task = new CheckedCallable<Boolean>() {
1027	+	public Boolean realCall() throws InterruptedException {
1028	+	threadStarted.countDown();
1029	+	done.await();
1030	+	return Boolean.TRUE;
1031	+	}};
1032	+	p.submit(task).get();
1033	+	}});
1034	+
1035	+	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
1036	+	t.interrupt();
1037	+	awaitTermination(t, MEDIUM_DELAY_MS);
1038	+	done.countDown();
1039		}
736	–	catch (NullPointerException successdn8){}
1040		}
738	–
1041
1042		/**
1043	<	*  execute throws RejectedExecutionException
742	<	*  if saturated.
1043	>	* execute throws RejectedExecutionException if saturated.
1044		*/
1045		public void testSaturatedExecute() {
1046	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
1047	<	try {
1048	<
1049	<	for(int i = 0; i < 5; ++i){
1050	<	p.execute(new MediumRunnable());
1046	>	final ThreadPoolExecutor p =
1047	>	new ThreadPoolExecutor(1, 1,
1048	>	LONG_DELAY_MS, MILLISECONDS,
1049	>	new ArrayBlockingQueue<Runnable>(1));
1050	>	try (PoolCleaner cleaner = cleaner(p)) {
1051	>	final CountDownLatch done = new CountDownLatch(1);
1052	>	Runnable task = new CheckedRunnable() {
1053	>	public void realRun() throws InterruptedException {
1054	>	done.await();
1055	>	}};
1056	>	for (int i = 0; i < 2; ++i)
1057	>	p.execute(task);
1058	>	for (int i = 0; i < 2; ++i) {
1059	>	try {
1060	>	p.execute(task);
1061	>	shouldThrow();
1062	>	} catch (RejectedExecutionException success) {}
1063	>	assertTrue(p.getTaskCount() <= 2);
1064		}
1065	<	shouldThrow();
1066	<	} catch(RejectedExecutionException success){}
753	<	joinPool(p);
1065	>	done.countDown();
1066	>	}
1067		}
1068
1069		/**
1070	<	*  executor using CallerRunsPolicy runs task if saturated.
1070	>	* submit(runnable) throws RejectedExecutionException if saturated.
1071		*/
1072	<	public void testSaturatedExecute2() {
1073	<	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1074	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
1075	<	try {
1076	<
1077	<	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1078	<	for(int i = 0; i < 5; ++i){
1079	<	tasks[i] = new TrackedNoOpRunnable();
1080	<	}
1081	<	TrackedLongRunnable mr = new TrackedLongRunnable();
1082	<	p.execute(mr);
1083	<	for(int i = 0; i < 5; ++i){
1084	<	p.execute(tasks[i]);
1072	>	public void testSaturatedSubmitRunnable() {
1073	>	ThreadPoolExecutor p =
1074	>	new ThreadPoolExecutor(1, 1,
1075	>	LONG_DELAY_MS, MILLISECONDS,
1076	>	new ArrayBlockingQueue<Runnable>(1));
1077	>	final CountDownLatch done = new CountDownLatch(1);
1078	>	try {
1079	>	Runnable task = new CheckedRunnable() {
1080	>	public void realRun() throws InterruptedException {
1081	>	done.await();
1082	>	}};
1083	>	for (int i = 0; i < 2; ++i)
1084	>	p.submit(task);
1085	>	for (int i = 0; i < 2; ++i) {
1086	>	try {
1087	>	p.execute(task);
1088	>	shouldThrow();
1089	>	} catch (RejectedExecutionException success) {}
1090	>	assertTrue(p.getTaskCount() <= 2);
1091		}
1092	<	for(int i = 1; i < 5; ++i) {
1093	<	assertTrue(tasks[i].done);
1092	>	} finally {
1093	>	done.countDown();
1094	>	joinPool(p);
1095	>	}
1096	>	}
1097	>
1098	>	/**
1099	>	* submit(callable) throws RejectedExecutionException if saturated.
1100	>	*/
1101	>	public void testSaturatedSubmitCallable() {
1102	>	ThreadPoolExecutor p =
1103	>	new ThreadPoolExecutor(1, 1,
1104	>	LONG_DELAY_MS, MILLISECONDS,
1105	>	new ArrayBlockingQueue<Runnable>(1));
1106	>	final CountDownLatch done = new CountDownLatch(1);
1107	>	try {
1108	>	Runnable task = new CheckedRunnable() {
1109	>	public void realRun() throws InterruptedException {
1110	>	done.await();
1111	>	}};
1112	>	for (int i = 0; i < 2; ++i)
1113	>	p.submit(Executors.callable(task));
1114	>	for (int i = 0; i < 2; ++i) {
1115	>	try {
1116	>	p.execute(task);
1117	>	shouldThrow();
1118	>	} catch (RejectedExecutionException success) {}
1119	>	assertTrue(p.getTaskCount() <= 2);
1120		}
776	–	p.shutdownNow();
777	–	} catch(RejectedExecutionException ex){
778	–	unexpectedException();
1121		} finally {
1122	+	done.countDown();
1123		joinPool(p);
1124		}
1125		}
1126
1127		/**
1128	<	*  executor using DiscardPolicy drops task if saturated.
1128	>	* executor using CallerRunsPolicy runs task if saturated.
1129		*/
1130	<	public void testSaturatedExecute3() {
1131	<	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1132	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
1133	<	try {
1134	<
1130	>	public void testSaturatedExecute2() {
1131	>	final ThreadPoolExecutor p =
1132	>	new ThreadPoolExecutor(1, 1,
1133	>	LONG_DELAY_MS,
1134	>	MILLISECONDS,
1135	>	new ArrayBlockingQueue<Runnable>(1),
1136	>	new ThreadPoolExecutor.CallerRunsPolicy());
1137	>	try (PoolCleaner cleaner = cleaner(p)) {
1138	>	final CountDownLatch done = new CountDownLatch(1);
1139	>	Runnable blocker = new CheckedRunnable() {
1140	>	public void realRun() throws InterruptedException {
1141	>	done.await();
1142	>	}};
1143	>	p.execute(blocker);
1144		TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1145	<	for(int i = 0; i < 5; ++i){
1145	>	for (int i = 0; i < tasks.length; i++)
1146		tasks[i] = new TrackedNoOpRunnable();
1147	<	}
796	<	p.execute(new TrackedLongRunnable());
797	<	for(int i = 0; i < 5; ++i){
1147	>	for (int i = 0; i < tasks.length; i++)
1148		p.execute(tasks[i]);
1149	<	}
1150	<	for(int i = 0; i < 5; ++i){
1149	>	for (int i = 1; i < tasks.length; i++)
1150	>	assertTrue(tasks[i].done);
1151	>	assertFalse(tasks[0].done); // waiting in queue
1152	>	done.countDown();
1153	>	}
1154	>	}
1155	>
1156	>	/**
1157	>	* executor using DiscardPolicy drops task if saturated.
1158	>	*/
1159	>	public void testSaturatedExecute3() {
1160	>	final TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1161	>	for (int i = 0; i < tasks.length; ++i)
1162	>	tasks[i] = new TrackedNoOpRunnable();
1163	>	final ThreadPoolExecutor p =
1164	>	new ThreadPoolExecutor(1, 1,
1165	>	LONG_DELAY_MS, MILLISECONDS,
1166	>	new ArrayBlockingQueue<Runnable>(1),
1167	>	new ThreadPoolExecutor.DiscardPolicy());
1168	>	try (PoolCleaner cleaner = cleaner(p)) {
1169	>	final CountDownLatch done = new CountDownLatch(1);
1170	>	p.execute(awaiter(done));
1171	>
1172	>	for (TrackedNoOpRunnable task : tasks)
1173	>	p.execute(task);
1174	>	for (int i = 1; i < tasks.length; i++)
1175		assertFalse(tasks[i].done);
1176	<	}
803	<	p.shutdownNow();
804	<	} catch(RejectedExecutionException ex){
805	<	unexpectedException();
806	<	} finally {
807	<	joinPool(p);
1176	>	done.countDown();
1177		}
1178	+	for (int i = 1; i < tasks.length; i++)
1179	+	assertFalse(tasks[i].done);
1180	+	assertTrue(tasks[0].done); // was waiting in queue
1181		}
1182
1183		/**
1184	<	*  executor using DiscardOldestPolicy drops oldest task if saturated.
1184	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1185		*/
1186		public void testSaturatedExecute4() {
1187	<	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1188	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
1189	<	try {
1190	<	p.execute(new TrackedLongRunnable());
1191	<	TrackedLongRunnable r2 = new TrackedLongRunnable();
1187	>	final CountDownLatch done = new CountDownLatch(1);
1188	>	LatchAwaiter r1 = awaiter(done);
1189	>	LatchAwaiter r2 = awaiter(done);
1190	>	LatchAwaiter r3 = awaiter(done);
1191	>	final ThreadPoolExecutor p =
1192	>	new ThreadPoolExecutor(1, 1,
1193	>	LONG_DELAY_MS, MILLISECONDS,
1194	>	new ArrayBlockingQueue<Runnable>(1),
1195	>	new ThreadPoolExecutor.DiscardOldestPolicy());
1196	>	try (PoolCleaner cleaner = cleaner(p)) {
1197	>	assertEquals(LatchAwaiter.NEW, r1.state);
1198	>	assertEquals(LatchAwaiter.NEW, r2.state);
1199	>	assertEquals(LatchAwaiter.NEW, r3.state);
1200	>	p.execute(r1);
1201		p.execute(r2);
1202		assertTrue(p.getQueue().contains(r2));
822	–	TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1203		p.execute(r3);
1204		assertFalse(p.getQueue().contains(r2));
1205		assertTrue(p.getQueue().contains(r3));
1206	<	p.shutdownNow();
827	<	} catch(RejectedExecutionException ex){
828	<	unexpectedException();
829	<	} finally {
830	<	joinPool(p);
1206	>	done.countDown();
1207		}
1208	+	assertEquals(LatchAwaiter.DONE, r1.state);
1209	+	assertEquals(LatchAwaiter.NEW, r2.state);
1210	+	assertEquals(LatchAwaiter.DONE, r3.state);
1211		}
1212
1213		/**
1214	<	*  execute throws RejectedExecutionException if shutdown
1214	>	* execute throws RejectedExecutionException if shutdown
1215		*/
1216		public void testRejectedExecutionExceptionOnShutdown() {
1217	<	ThreadPoolExecutor tpe =
1218	<	new ThreadPoolExecutor(1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1219	<	tpe.shutdown();
1220	<	try {
1221	<	tpe.execute(new NoOpRunnable());
1222	<	shouldThrow();
1223	<	} catch(RejectedExecutionException success){}
1224	<
1225	<	joinPool(tpe);
1217	>	ThreadPoolExecutor p =
1218	>	new ThreadPoolExecutor(1, 1,
1219	>	LONG_DELAY_MS, MILLISECONDS,
1220	>	new ArrayBlockingQueue<Runnable>(1));
1221	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1222	>	try (PoolCleaner cleaner = cleaner(p)) {
1223	>	try {
1224	>	p.execute(new NoOpRunnable());
1225	>	shouldThrow();
1226	>	} catch (RejectedExecutionException success) {}
1227	>	}
1228		}
1229
1230		/**
1231	<	*  execute using CallerRunsPolicy drops task on shutdown
1231	>	* execute using CallerRunsPolicy drops task on shutdown
1232		*/
1233		public void testCallerRunsOnShutdown() {
1234		RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1235	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
1235	>	final ThreadPoolExecutor p =
1236	>	new ThreadPoolExecutor(1, 1,
1237	>	LONG_DELAY_MS, MILLISECONDS,
1238	>	new ArrayBlockingQueue<Runnable>(1), h);
1239
1240	<	p.shutdown();
1241	<	try {
1240	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1241	>	try {
1242		TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1243	<	p.execute(r);
1243	>	p.execute(r);
1244		assertFalse(r.done);
861	–	} catch(RejectedExecutionException success){
862	–	unexpectedException();
1245		} finally {
1246		joinPool(p);
1247		}
1248		}
1249
1250		/**
1251	<	*  execute using DiscardPolicy drops task on shutdown
1251	>	* execute using DiscardPolicy drops task on shutdown
1252		*/
1253		public void testDiscardOnShutdown() {
1254		RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1255	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
1255	>	ThreadPoolExecutor p =
1256	>	new ThreadPoolExecutor(1, 1,
1257	>	LONG_DELAY_MS, MILLISECONDS,
1258	>	new ArrayBlockingQueue<Runnable>(1),
1259	>	h);
1260
1261	<	p.shutdown();
1262	<	try {
1261	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1262	>	try {
1263		TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1264	<	p.execute(r);
1264	>	p.execute(r);
1265		assertFalse(r.done);
880	–	} catch(RejectedExecutionException success){
881	–	unexpectedException();
1266		} finally {
1267		joinPool(p);
1268		}
1269		}
1270
887	–
1271		/**
1272	<	*  execute using DiscardOldestPolicy drops task on shutdown
1272	>	* execute using DiscardOldestPolicy drops task on shutdown
1273		*/
1274		public void testDiscardOldestOnShutdown() {
1275		RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1276	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
1276	>	ThreadPoolExecutor p =
1277	>	new ThreadPoolExecutor(1, 1,
1278	>	LONG_DELAY_MS, MILLISECONDS,
1279	>	new ArrayBlockingQueue<Runnable>(1),
1280	>	h);
1281
1282	<	p.shutdown();
1283	<	try {
1282	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1283	>	try {
1284		TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1285	<	p.execute(r);
1285	>	p.execute(r);
1286		assertFalse(r.done);
900	–	} catch(RejectedExecutionException success){
901	–	unexpectedException();
1287		} finally {
1288		joinPool(p);
1289		}
1290		}
1291
907	–
1292		/**
1293	<	*  execute (null) throws NPE
1293	>	* execute(null) throws NPE
1294		*/
1295		public void testExecuteNull() {
1296	<	ThreadPoolExecutor tpe = null;
1296	>	ThreadPoolExecutor p =
1297	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1298	>	new ArrayBlockingQueue<Runnable>(10));
1299		try {
1300	<	tpe = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
915	<	tpe.execute(null);
1300	>	p.execute(null);
1301		shouldThrow();
1302	<	} catch(NullPointerException success){}
1303	<
1304	<	joinPool(tpe);
1302	>	} catch (NullPointerException success) {}
1303	>
1304	>	joinPool(p);
1305		}
1306	<
1306	>
1307		/**
1308	<	*  setCorePoolSize of negative value throws IllegalArgumentException
1308	>	* setCorePoolSize of negative value throws IllegalArgumentException
1309		*/
1310		public void testCorePoolSizeIllegalArgumentException() {
1311	<	ThreadPoolExecutor tpe = null;
1312	<	try {
1313	<	tpe = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1314	<	} catch(Exception e){}
930	<	try {
931	<	tpe.setCorePoolSize(-1);
932	<	shouldThrow();
933	<	} catch(IllegalArgumentException success){
934	<	} finally {
935	<	tpe.shutdown();
936	<	}
937	<	joinPool(tpe);
938	<	}
939	<
940	<	/**
941	<	*  setMaximumPoolSize(int) throws IllegalArgumentException if
942	<	*  given a value less the core pool size
943	<	*/
944	<	public void testMaximumPoolSizeIllegalArgumentException() {
945	<	ThreadPoolExecutor tpe = null;
1311	>	ThreadPoolExecutor p =
1312	>	new ThreadPoolExecutor(1, 2,
1313	>	LONG_DELAY_MS, MILLISECONDS,
1314	>	new ArrayBlockingQueue<Runnable>(10));
1315		try {
1316	<	tpe = new ThreadPoolExecutor(2,3,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1317	<	} catch(Exception e){}
1316	>	p.setCorePoolSize(-1);
1317	>	shouldThrow();
1318	>	} catch (IllegalArgumentException success) {
1319	>	} finally {
1320	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1321	>	}
1322	>	joinPool(p);
1323	>	}
1324	>
1325	>	/**
1326	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1327	>	* given a value less the core pool size
1328	>	*/
1329	>	public void testMaximumPoolSizeIllegalArgumentException() {
1330	>	ThreadPoolExecutor p =
1331	>	new ThreadPoolExecutor(2, 3,
1332	>	LONG_DELAY_MS, MILLISECONDS,
1333	>	new ArrayBlockingQueue<Runnable>(10));
1334		try {
1335	<	tpe.setMaximumPoolSize(1);
1335	>	p.setMaximumPoolSize(1);
1336		shouldThrow();
1337	<	} catch(IllegalArgumentException success){
1337	>	} catch (IllegalArgumentException success) {
1338		} finally {
1339	<	tpe.shutdown();
1339	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1340		}
1341	<	joinPool(tpe);
1341	>	joinPool(p);
1342		}
1343	<
1343	>
1344		/**
1345	<	*  setMaximumPoolSize throws IllegalArgumentException
1346	<	*  if given a negative value
1345	>	* setMaximumPoolSize throws IllegalArgumentException
1346	>	* if given a negative value
1347		*/
1348		public void testMaximumPoolSizeIllegalArgumentException2() {
1349	<	ThreadPoolExecutor tpe = null;
1349	>	ThreadPoolExecutor p =
1350	>	new ThreadPoolExecutor(2, 3,
1351	>	LONG_DELAY_MS, MILLISECONDS,
1352	>	new ArrayBlockingQueue<Runnable>(10));
1353		try {
1354	<	tpe = new ThreadPoolExecutor(2,3,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
967	<	} catch(Exception e){}
968	<	try {
969	<	tpe.setMaximumPoolSize(-1);
1354	>	p.setMaximumPoolSize(-1);
1355		shouldThrow();
1356	<	} catch(IllegalArgumentException success){
1356	>	} catch (IllegalArgumentException success) {
1357		} finally {
1358	<	tpe.shutdown();
1358	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1359	>	}
1360	>	joinPool(p);
1361	>	}
1362	>
1363	>	/**
1364	>	* Configuration changes that allow core pool size greater than
1365	>	* max pool size result in IllegalArgumentException.
1366	>	*/
1367	>	public void testPoolSizeInvariants() {
1368	>	ThreadPoolExecutor p =
1369	>	new ThreadPoolExecutor(1, 1,
1370	>	LONG_DELAY_MS, MILLISECONDS,
1371	>	new ArrayBlockingQueue<Runnable>(10));
1372	>	for (int s = 1; s < 5; s++) {
1373	>	p.setMaximumPoolSize(s);
1374	>	p.setCorePoolSize(s);
1375	>	try {
1376	>	p.setMaximumPoolSize(s - 1);
1377	>	shouldThrow();
1378	>	} catch (IllegalArgumentException success) {}
1379	>	assertEquals(s, p.getCorePoolSize());
1380	>	assertEquals(s, p.getMaximumPoolSize());
1381	>	try {
1382	>	p.setCorePoolSize(s + 1);
1383	>	shouldThrow();
1384	>	} catch (IllegalArgumentException success) {}
1385	>	assertEquals(s, p.getCorePoolSize());
1386	>	assertEquals(s, p.getMaximumPoolSize());
1387		}
1388	<	joinPool(tpe);
1388	>	joinPool(p);
1389		}
977	–
1390
1391		/**
1392	<	*  setKeepAliveTime  throws IllegalArgumentException
1393	<	*  when given a negative value
1392	>	* setKeepAliveTime throws IllegalArgumentException
1393	>	* when given a negative value
1394		*/
1395		public void testKeepAliveTimeIllegalArgumentException() {
1396	<	ThreadPoolExecutor tpe = null;
1396	>	ThreadPoolExecutor p =
1397	>	new ThreadPoolExecutor(2, 3,
1398	>	LONG_DELAY_MS, MILLISECONDS,
1399	>	new ArrayBlockingQueue<Runnable>(10));
1400		try {
1401	<	tpe = new ThreadPoolExecutor(2,3,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
987	<	} catch(Exception e){}
988	<
989	<	try {
990	<	tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1401	>	p.setKeepAliveTime(-1,MILLISECONDS);
1402		shouldThrow();
1403	<	} catch(IllegalArgumentException success){
1403	>	} catch (IllegalArgumentException success) {
1404		} finally {
1405	<	tpe.shutdown();
1405	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1406		}
1407	<	joinPool(tpe);
1407	>	joinPool(p);
1408		}
1409
1410		/**
1411		* terminated() is called on termination
1412		*/
1413		public void testTerminated() {
1414	<	ExtendedTPE tpe = new ExtendedTPE();
1415	<	tpe.shutdown();
1416	<	assertTrue(tpe.terminatedCalled);
1417	<	joinPool(tpe);
1414	>	ExtendedTPE p = new ExtendedTPE();
1415	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1416	>	assertTrue(p.terminatedCalled());
1417	>	joinPool(p);
1418		}
1419
1420		/**
1421		* beforeExecute and afterExecute are called when executing task
1422		*/
1423	<	public void testBeforeAfter() {
1424	<	ExtendedTPE tpe = new ExtendedTPE();
1423	>	public void testBeforeAfter() throws InterruptedException {
1424	>	ExtendedTPE p = new ExtendedTPE();
1425		try {
1426	<	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1427	<	tpe.execute(r);
1428	<	Thread.sleep(SHORT_DELAY_MS);
1429	<	assertTrue(r.done);
1430	<	assertTrue(tpe.beforeCalled);
1431	<	assertTrue(tpe.afterCalled);
1432	<	tpe.shutdown();
1426	>	final CountDownLatch done = new CountDownLatch(1);
1427	>	p.execute(new CheckedRunnable() {
1428	>	public void realRun() {
1429	>	done.countDown();
1430	>	}});
1431	>	await(p.afterCalled);
1432	>	assertEquals(0, done.getCount());
1433	>	assertTrue(p.afterCalled());
1434	>	assertTrue(p.beforeCalled());
1435	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1436	>	} finally {
1437	>	joinPool(p);
1438		}
1439	<	catch(Exception ex) {
1440	<	unexpectedException();
1439	>	}
1440	>
1441	>	/**
1442	>	* completed submit of callable returns result
1443	>	*/
1444	>	public void testSubmitCallable() throws Exception {
1445	>	ExecutorService e =
1446	>	new ThreadPoolExecutor(2, 2,
1447	>	LONG_DELAY_MS, MILLISECONDS,
1448	>	new ArrayBlockingQueue<Runnable>(10));
1449	>	try {
1450	>	Future<String> future = e.submit(new StringTask());
1451	>	String result = future.get();
1452	>	assertSame(TEST_STRING, result);
1453		} finally {
1454	<	joinPool(tpe);
1454	>	joinPool(e);
1455		}
1456		}
1457	+
1458	+	/**
1459	+	* completed submit of runnable returns successfully
1460	+	*/
1461	+	public void testSubmitRunnable() throws Exception {
1462	+	ExecutorService e =
1463	+	new ThreadPoolExecutor(2, 2,
1464	+	LONG_DELAY_MS, MILLISECONDS,
1465	+	new ArrayBlockingQueue<Runnable>(10));
1466	+	try {
1467	+	Future<?> future = e.submit(new NoOpRunnable());
1468	+	future.get();
1469	+	assertTrue(future.isDone());
1470	+	} finally {
1471	+	joinPool(e);
1472	+	}
1473	+	}
1474	+
1475	+	/**
1476	+	* completed submit of (runnable, result) returns result
1477	+	*/
1478	+	public void testSubmitRunnable2() throws Exception {
1479	+	ExecutorService e =
1480	+	new ThreadPoolExecutor(2, 2,
1481	+	LONG_DELAY_MS, MILLISECONDS,
1482	+	new ArrayBlockingQueue<Runnable>(10));
1483	+	try {
1484	+	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1485	+	String result = future.get();
1486	+	assertSame(TEST_STRING, result);
1487	+	} finally {
1488	+	joinPool(e);
1489	+	}
1490	+	}
1491	+
1492	+	/**
1493	+	* invokeAny(null) throws NPE
1494	+	*/
1495	+	public void testInvokeAny1() throws Exception {
1496	+	ExecutorService e =
1497	+	new ThreadPoolExecutor(2, 2,
1498	+	LONG_DELAY_MS, MILLISECONDS,
1499	+	new ArrayBlockingQueue<Runnable>(10));
1500	+	try {
1501	+	e.invokeAny(null);
1502	+	shouldThrow();
1503	+	} catch (NullPointerException success) {
1504	+	} finally {
1505	+	joinPool(e);
1506	+	}
1507	+	}
1508	+
1509	+	/**
1510	+	* invokeAny(empty collection) throws IAE
1511	+	*/
1512	+	public void testInvokeAny2() throws Exception {
1513	+	ExecutorService e =
1514	+	new ThreadPoolExecutor(2, 2,
1515	+	LONG_DELAY_MS, MILLISECONDS,
1516	+	new ArrayBlockingQueue<Runnable>(10));
1517	+	try {
1518	+	e.invokeAny(new ArrayList<Callable<String>>());
1519	+	shouldThrow();
1520	+	} catch (IllegalArgumentException success) {
1521	+	} finally {
1522	+	joinPool(e);
1523	+	}
1524	+	}
1525	+
1526	+	/**
1527	+	* invokeAny(c) throws NPE if c has null elements
1528	+	*/
1529	+	public void testInvokeAny3() throws Exception {
1530	+	final CountDownLatch latch = new CountDownLatch(1);
1531	+	final ExecutorService e =
1532	+	new ThreadPoolExecutor(2, 2,
1533	+	LONG_DELAY_MS, MILLISECONDS,
1534	+	new ArrayBlockingQueue<Runnable>(10));
1535	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1536	+	l.add(latchAwaitingStringTask(latch));
1537	+	l.add(null);
1538	+	try {
1539	+	e.invokeAny(l);
1540	+	shouldThrow();
1541	+	} catch (NullPointerException success) {
1542	+	} finally {
1543	+	latch.countDown();
1544	+	joinPool(e);
1545	+	}
1546	+	}
1547	+
1548	+	/**
1549	+	* invokeAny(c) throws ExecutionException if no task completes
1550	+	*/
1551	+	public void testInvokeAny4() throws Exception {
1552	+	ExecutorService e =
1553	+	new ThreadPoolExecutor(2, 2,
1554	+	LONG_DELAY_MS, MILLISECONDS,
1555	+	new ArrayBlockingQueue<Runnable>(10));
1556	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1557	+	l.add(new NPETask());
1558	+	try {
1559	+	e.invokeAny(l);
1560	+	shouldThrow();
1561	+	} catch (ExecutionException success) {
1562	+	assertTrue(success.getCause() instanceof NullPointerException);
1563	+	} finally {
1564	+	joinPool(e);
1565	+	}
1566	+	}
1567	+
1568	+	/**
1569	+	* invokeAny(c) returns result of some task
1570	+	*/
1571	+	public void testInvokeAny5() throws Exception {
1572	+	ExecutorService e =
1573	+	new ThreadPoolExecutor(2, 2,
1574	+	LONG_DELAY_MS, MILLISECONDS,
1575	+	new ArrayBlockingQueue<Runnable>(10));
1576	+	try {
1577	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1578	+	l.add(new StringTask());
1579	+	l.add(new StringTask());
1580	+	String result = e.invokeAny(l);
1581	+	assertSame(TEST_STRING, result);
1582	+	} finally {
1583	+	joinPool(e);
1584	+	}
1585	+	}
1586	+
1587	+	/**
1588	+	* invokeAll(null) throws NPE
1589	+	*/
1590	+	public void testInvokeAll1() throws Exception {
1591	+	ExecutorService e =
1592	+	new ThreadPoolExecutor(2, 2,
1593	+	LONG_DELAY_MS, MILLISECONDS,
1594	+	new ArrayBlockingQueue<Runnable>(10));
1595	+	try {
1596	+	e.invokeAll(null);
1597	+	shouldThrow();
1598	+	} catch (NullPointerException success) {
1599	+	} finally {
1600	+	joinPool(e);
1601	+	}
1602	+	}
1603	+
1604	+	/**
1605	+	* invokeAll(empty collection) returns empty collection
1606	+	*/
1607	+	public void testInvokeAll2() throws InterruptedException {
1608	+	ExecutorService e =
1609	+	new ThreadPoolExecutor(2, 2,
1610	+	LONG_DELAY_MS, MILLISECONDS,
1611	+	new ArrayBlockingQueue<Runnable>(10));
1612	+	try {
1613	+	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1614	+	assertTrue(r.isEmpty());
1615	+	} finally {
1616	+	joinPool(e);
1617	+	}
1618	+	}
1619	+
1620	+	/**
1621	+	* invokeAll(c) throws NPE if c has null elements
1622	+	*/
1623	+	public void testInvokeAll3() throws Exception {
1624	+	ExecutorService e =
1625	+	new ThreadPoolExecutor(2, 2,
1626	+	LONG_DELAY_MS, MILLISECONDS,
1627	+	new ArrayBlockingQueue<Runnable>(10));
1628	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1629	+	l.add(new StringTask());
1630	+	l.add(null);
1631	+	try {
1632	+	e.invokeAll(l);
1633	+	shouldThrow();
1634	+	} catch (NullPointerException success) {
1635	+	} finally {
1636	+	joinPool(e);
1637	+	}
1638	+	}
1639	+
1640	+	/**
1641	+	* get of element of invokeAll(c) throws exception on failed task
1642	+	*/
1643	+	public void testInvokeAll4() throws Exception {
1644	+	ExecutorService e =
1645	+	new ThreadPoolExecutor(2, 2,
1646	+	LONG_DELAY_MS, MILLISECONDS,
1647	+	new ArrayBlockingQueue<Runnable>(10));
1648	+	try {
1649	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1650	+	l.add(new NPETask());
1651	+	List<Future<String>> futures = e.invokeAll(l);
1652	+	assertEquals(1, futures.size());
1653	+	try {
1654	+	futures.get(0).get();
1655	+	shouldThrow();
1656	+	} catch (ExecutionException success) {
1657	+	assertTrue(success.getCause() instanceof NullPointerException);
1658	+	}
1659	+	} finally {
1660	+	joinPool(e);
1661	+	}
1662	+	}
1663	+
1664	+	/**
1665	+	* invokeAll(c) returns results of all completed tasks
1666	+	*/
1667	+	public void testInvokeAll5() throws Exception {
1668	+	ExecutorService e =
1669	+	new ThreadPoolExecutor(2, 2,
1670	+	LONG_DELAY_MS, MILLISECONDS,
1671	+	new ArrayBlockingQueue<Runnable>(10));
1672	+	try {
1673	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1674	+	l.add(new StringTask());
1675	+	l.add(new StringTask());
1676	+	List<Future<String>> futures = e.invokeAll(l);
1677	+	assertEquals(2, futures.size());
1678	+	for (Future<String> future : futures)
1679	+	assertSame(TEST_STRING, future.get());
1680	+	} finally {
1681	+	joinPool(e);
1682	+	}
1683	+	}
1684	+
1685	+	/**
1686	+	* timed invokeAny(null) throws NPE
1687	+	*/
1688	+	public void testTimedInvokeAny1() throws Exception {
1689	+	ExecutorService e =
1690	+	new ThreadPoolExecutor(2, 2,
1691	+	LONG_DELAY_MS, MILLISECONDS,
1692	+	new ArrayBlockingQueue<Runnable>(10));
1693	+	try {
1694	+	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1695	+	shouldThrow();
1696	+	} catch (NullPointerException success) {
1697	+	} finally {
1698	+	joinPool(e);
1699	+	}
1700	+	}
1701	+
1702	+	/**
1703	+	* timed invokeAny(,,null) throws NPE
1704	+	*/
1705	+	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1706	+	ExecutorService e =
1707	+	new ThreadPoolExecutor(2, 2,
1708	+	LONG_DELAY_MS, MILLISECONDS,
1709	+	new ArrayBlockingQueue<Runnable>(10));
1710	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1711	+	l.add(new StringTask());
1712	+	try {
1713	+	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1714	+	shouldThrow();
1715	+	} catch (NullPointerException success) {
1716	+	} finally {
1717	+	joinPool(e);
1718	+	}
1719	+	}
1720	+
1721	+	/**
1722	+	* timed invokeAny(empty collection) throws IAE
1723	+	*/
1724	+	public void testTimedInvokeAny2() throws Exception {
1725	+	ExecutorService e =
1726	+	new ThreadPoolExecutor(2, 2,
1727	+	LONG_DELAY_MS, MILLISECONDS,
1728	+	new ArrayBlockingQueue<Runnable>(10));
1729	+	try {
1730	+	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1731	+	shouldThrow();
1732	+	} catch (IllegalArgumentException success) {
1733	+	} finally {
1734	+	joinPool(e);
1735	+	}
1736	+	}
1737	+
1738	+	/**
1739	+	* timed invokeAny(c) throws NPE if c has null elements
1740	+	*/
1741	+	public void testTimedInvokeAny3() throws Exception {
1742	+	final CountDownLatch latch = new CountDownLatch(1);
1743	+	final ExecutorService e =
1744	+	new ThreadPoolExecutor(2, 2,
1745	+	LONG_DELAY_MS, MILLISECONDS,
1746	+	new ArrayBlockingQueue<Runnable>(10));
1747	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1748	+	l.add(latchAwaitingStringTask(latch));
1749	+	l.add(null);
1750	+	try {
1751	+	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1752	+	shouldThrow();
1753	+	} catch (NullPointerException success) {
1754	+	} finally {
1755	+	latch.countDown();
1756	+	joinPool(e);
1757	+	}
1758	+	}
1759	+
1760	+	/**
1761	+	* timed invokeAny(c) throws ExecutionException if no task completes
1762	+	*/
1763	+	public void testTimedInvokeAny4() throws Exception {
1764	+	ExecutorService e =
1765	+	new ThreadPoolExecutor(2, 2,
1766	+	LONG_DELAY_MS, MILLISECONDS,
1767	+	new ArrayBlockingQueue<Runnable>(10));
1768	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1769	+	l.add(new NPETask());
1770	+	try {
1771	+	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1772	+	shouldThrow();
1773	+	} catch (ExecutionException success) {
1774	+	assertTrue(success.getCause() instanceof NullPointerException);
1775	+	} finally {
1776	+	joinPool(e);
1777	+	}
1778	+	}
1779	+
1780	+	/**
1781	+	* timed invokeAny(c) returns result of some task
1782	+	*/
1783	+	public void testTimedInvokeAny5() throws Exception {
1784	+	ExecutorService e =
1785	+	new ThreadPoolExecutor(2, 2,
1786	+	LONG_DELAY_MS, MILLISECONDS,
1787	+	new ArrayBlockingQueue<Runnable>(10));
1788	+	try {
1789	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1790	+	l.add(new StringTask());
1791	+	l.add(new StringTask());
1792	+	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1793	+	assertSame(TEST_STRING, result);
1794	+	} finally {
1795	+	joinPool(e);
1796	+	}
1797	+	}
1798	+
1799	+	/**
1800	+	* timed invokeAll(null) throws NPE
1801	+	*/
1802	+	public void testTimedInvokeAll1() throws Exception {
1803	+	ExecutorService e =
1804	+	new ThreadPoolExecutor(2, 2,
1805	+	LONG_DELAY_MS, MILLISECONDS,
1806	+	new ArrayBlockingQueue<Runnable>(10));
1807	+	try {
1808	+	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1809	+	shouldThrow();
1810	+	} catch (NullPointerException success) {
1811	+	} finally {
1812	+	joinPool(e);
1813	+	}
1814	+	}
1815	+
1816	+	/**
1817	+	* timed invokeAll(,,null) throws NPE
1818	+	*/
1819	+	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1820	+	ExecutorService e =
1821	+	new ThreadPoolExecutor(2, 2,
1822	+	LONG_DELAY_MS, MILLISECONDS,
1823	+	new ArrayBlockingQueue<Runnable>(10));
1824	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1825	+	l.add(new StringTask());
1826	+	try {
1827	+	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1828	+	shouldThrow();
1829	+	} catch (NullPointerException success) {
1830	+	} finally {
1831	+	joinPool(e);
1832	+	}
1833	+	}
1834	+
1835	+	/**
1836	+	* timed invokeAll(empty collection) returns empty collection
1837	+	*/
1838	+	public void testTimedInvokeAll2() throws InterruptedException {
1839	+	ExecutorService e =
1840	+	new ThreadPoolExecutor(2, 2,
1841	+	LONG_DELAY_MS, MILLISECONDS,
1842	+	new ArrayBlockingQueue<Runnable>(10));
1843	+	try {
1844	+	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1845	+	assertTrue(r.isEmpty());
1846	+	} finally {
1847	+	joinPool(e);
1848	+	}
1849	+	}
1850	+
1851	+	/**
1852	+	* timed invokeAll(c) throws NPE if c has null elements
1853	+	*/
1854	+	public void testTimedInvokeAll3() throws Exception {
1855	+	ExecutorService e =
1856	+	new ThreadPoolExecutor(2, 2,
1857	+	LONG_DELAY_MS, MILLISECONDS,
1858	+	new ArrayBlockingQueue<Runnable>(10));
1859	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1860	+	l.add(new StringTask());
1861	+	l.add(null);
1862	+	try {
1863	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1864	+	shouldThrow();
1865	+	} catch (NullPointerException success) {
1866	+	} finally {
1867	+	joinPool(e);
1868	+	}
1869	+	}
1870	+
1871	+	/**
1872	+	* get of element of invokeAll(c) throws exception on failed task
1873	+	*/
1874	+	public void testTimedInvokeAll4() throws Exception {
1875	+	ExecutorService e =
1876	+	new ThreadPoolExecutor(2, 2,
1877	+	LONG_DELAY_MS, MILLISECONDS,
1878	+	new ArrayBlockingQueue<Runnable>(10));
1879	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1880	+	l.add(new NPETask());
1881	+	List<Future<String>> futures =
1882	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1883	+	assertEquals(1, futures.size());
1884	+	try {
1885	+	futures.get(0).get();
1886	+	shouldThrow();
1887	+	} catch (ExecutionException success) {
1888	+	assertTrue(success.getCause() instanceof NullPointerException);
1889	+	} finally {
1890	+	joinPool(e);
1891	+	}
1892	+	}
1893	+
1894	+	/**
1895	+	* timed invokeAll(c) returns results of all completed tasks
1896	+	*/
1897	+	public void testTimedInvokeAll5() throws Exception {
1898	+	ExecutorService e =
1899	+	new ThreadPoolExecutor(2, 2,
1900	+	LONG_DELAY_MS, MILLISECONDS,
1901	+	new ArrayBlockingQueue<Runnable>(10));
1902	+	try {
1903	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1904	+	l.add(new StringTask());
1905	+	l.add(new StringTask());
1906	+	List<Future<String>> futures =
1907	+	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1908	+	assertEquals(2, futures.size());
1909	+	for (Future<String> future : futures)
1910	+	assertSame(TEST_STRING, future.get());
1911	+	} finally {
1912	+	joinPool(e);
1913	+	}
1914	+	}
1915	+
1916	+	/**
1917	+	* timed invokeAll(c) cancels tasks not completed by timeout
1918	+	*/
1919	+	public void testTimedInvokeAll6() throws Exception {
1920	+	ExecutorService e =
1921	+	new ThreadPoolExecutor(2, 2,
1922	+	LONG_DELAY_MS, MILLISECONDS,
1923	+	new ArrayBlockingQueue<Runnable>(10));
1924	+	try {
1925	+	for (long timeout = timeoutMillis();;) {
1926	+	List<Callable<String>> tasks = new ArrayList<>();
1927	+	tasks.add(new StringTask("0"));
1928	+	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1929	+	tasks.add(new StringTask("2"));
1930	+	long startTime = System.nanoTime();
1931	+	List<Future<String>> futures =
1932	+	e.invokeAll(tasks, timeout, MILLISECONDS);
1933	+	assertEquals(tasks.size(), futures.size());
1934	+	assertTrue(millisElapsedSince(startTime) >= timeout);
1935	+	for (Future future : futures)
1936	+	assertTrue(future.isDone());
1937	+	assertTrue(futures.get(1).isCancelled());
1938	+	try {
1939	+	assertEquals("0", futures.get(0).get());
1940	+	assertEquals("2", futures.get(2).get());
1941	+	break;
1942	+	} catch (CancellationException retryWithLongerTimeout) {
1943	+	timeout *= 2;
1944	+	if (timeout >= LONG_DELAY_MS / 2)
1945	+	fail("expected exactly one task to be cancelled");
1946	+	}
1947	+	}
1948	+	} finally {
1949	+	joinPool(e);
1950	+	}
1951	+	}
1952	+
1953	+	/**
1954	+	* Execution continues if there is at least one thread even if
1955	+	* thread factory fails to create more
1956	+	*/
1957	+	public void testFailingThreadFactory() throws InterruptedException {
1958	+	final ExecutorService e =
1959	+	new ThreadPoolExecutor(100, 100,
1960	+	LONG_DELAY_MS, MILLISECONDS,
1961	+	new LinkedBlockingQueue<Runnable>(),
1962	+	new FailingThreadFactory());
1963	+	try {
1964	+	final int TASKS = 100;
1965	+	final CountDownLatch done = new CountDownLatch(TASKS);
1966	+	for (int k = 0; k < TASKS; ++k)
1967	+	e.execute(new CheckedRunnable() {
1968	+	public void realRun() {
1969	+	done.countDown();
1970	+	}});
1971	+	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1972	+	} finally {
1973	+	joinPool(e);
1974	+	}
1975	+	}
1976	+
1977	+	/**
1978	+	* allowsCoreThreadTimeOut is by default false.
1979	+	*/
1980	+	public void testAllowsCoreThreadTimeOut() {
1981	+	final ThreadPoolExecutor p =
1982	+	new ThreadPoolExecutor(2, 2,
1983	+	1000, MILLISECONDS,
1984	+	new ArrayBlockingQueue<Runnable>(10));
1985	+	assertFalse(p.allowsCoreThreadTimeOut());
1986	+	joinPool(p);
1987	+	}
1988	+
1989	+	/**
1990	+	* allowCoreThreadTimeOut(true) causes idle threads to time out
1991	+	*/
1992	+	public void testAllowCoreThreadTimeOut_true() throws Exception {
1993	+	long keepAliveTime = timeoutMillis();
1994	+	final ThreadPoolExecutor p =
1995	+	new ThreadPoolExecutor(2, 10,
1996	+	keepAliveTime, MILLISECONDS,
1997	+	new ArrayBlockingQueue<Runnable>(10));
1998	+	final CountDownLatch threadStarted = new CountDownLatch(1);
1999	+	try {
2000	+	p.allowCoreThreadTimeOut(true);
2001	+	p.execute(new CheckedRunnable() {
2002	+	public void realRun() {
2003	+	threadStarted.countDown();
2004	+	assertEquals(1, p.getPoolSize());
2005	+	}});
2006	+	await(threadStarted);
2007	+	delay(keepAliveTime);
2008	+	long startTime = System.nanoTime();
2009	+	while (p.getPoolSize() > 0
2010	+	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
2011	+	Thread.yield();
2012	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
2013	+	assertEquals(0, p.getPoolSize());
2014	+	} finally {
2015	+	joinPool(p);
2016	+	}
2017	+	}
2018	+
2019	+	/**
2020	+	* allowCoreThreadTimeOut(false) causes idle threads not to time out
2021	+	*/
2022	+	public void testAllowCoreThreadTimeOut_false() throws Exception {
2023	+	long keepAliveTime = timeoutMillis();
2024	+	final ThreadPoolExecutor p =
2025	+	new ThreadPoolExecutor(2, 10,
2026	+	keepAliveTime, MILLISECONDS,
2027	+	new ArrayBlockingQueue<Runnable>(10));
2028	+	final CountDownLatch threadStarted = new CountDownLatch(1);
2029	+	try {
2030	+	p.allowCoreThreadTimeOut(false);
2031	+	p.execute(new CheckedRunnable() {
2032	+	public void realRun() throws InterruptedException {
2033	+	threadStarted.countDown();
2034	+	assertTrue(p.getPoolSize() >= 1);
2035	+	}});
2036	+	delay(2 * keepAliveTime);
2037	+	assertTrue(p.getPoolSize() >= 1);
2038	+	} finally {
2039	+	joinPool(p);
2040	+	}
2041	+	}
2042	+
2043	+	/**
2044	+	* execute allows the same task to be submitted multiple times, even
2045	+	* if rejected
2046	+	*/
2047	+	public void testRejectedRecycledTask() throws InterruptedException {
2048	+	final int nTasks = 1000;
2049	+	final CountDownLatch done = new CountDownLatch(nTasks);
2050	+	final Runnable recycledTask = new Runnable() {
2051	+	public void run() {
2052	+	done.countDown();
2053	+	}};
2054	+	final ThreadPoolExecutor p =
2055	+	new ThreadPoolExecutor(1, 30,
2056	+	60, SECONDS,
2057	+	new ArrayBlockingQueue(30));
2058	+	try {
2059	+	for (int i = 0; i < nTasks; ++i) {
2060	+	for (;;) {
2061	+	try {
2062	+	p.execute(recycledTask);
2063	+	break;
2064	+	}
2065	+	catch (RejectedExecutionException ignore) {}
2066	+	}
2067	+	}
2068	+	// enough time to run all tasks
2069	+	assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2070	+	} finally {
2071	+	joinPool(p);
2072	+	}
2073	+	}
2074	+
2075	+	/**
2076	+	* get(cancelled task) throws CancellationException
2077	+	*/
2078	+	public void testGet_cancelled() throws Exception {
2079	+	final ExecutorService e =
2080	+	new ThreadPoolExecutor(1, 1,
2081	+	LONG_DELAY_MS, MILLISECONDS,
2082	+	new LinkedBlockingQueue<Runnable>());
2083	+	try {
2084	+	final CountDownLatch blockerStarted = new CountDownLatch(1);
2085	+	final CountDownLatch done = new CountDownLatch(1);
2086	+	final List<Future<?>> futures = new ArrayList<>();
2087	+	for (int i = 0; i < 2; i++) {
2088	+	Runnable r = new CheckedRunnable() { public void realRun()
2089	+	throws Throwable {
2090	+	blockerStarted.countDown();
2091	+	assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2092	+	}};
2093	+	futures.add(e.submit(r));
2094	+	}
2095	+	assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
2096	+	for (Future<?> future : futures) future.cancel(false);
2097	+	for (Future<?> future : futures) {
2098	+	try {
2099	+	future.get();
2100	+	shouldThrow();
2101	+	} catch (CancellationException success) {}
2102	+	try {
2103	+	future.get(LONG_DELAY_MS, MILLISECONDS);
2104	+	shouldThrow();
2105	+	} catch (CancellationException success) {}
2106	+	assertTrue(future.isCancelled());
2107	+	assertTrue(future.isDone());
2108	+	}
2109	+	done.countDown();
2110	+	} finally {
2111	+	joinPool(e);
2112	+	}
2113	+	}
2114	+
2115		}

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